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Literature summary for 2.1.1.63 extracted from

  • Walter, R.B.; Sung, H.M.; Intano, G.W.; Walter, C.A.
    Characterization of O6-methylguanine-DNA-methyltransferase (O6-MGMT) activity in Xiphophorus fishes (2001), Mutat. Res., 493, 11-22.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
6-O-benzylguanine competitive Xiphophorus couchianus
6-O-benzylguanine competitive Xiphophorus hellerii
6-O-benzylguanine competitive Xiphophorus maculatus

Organism

Organism UniProt Comment Textmining
Xiphophorus couchianus
-
-
-
Xiphophorus hellerii
-
-
-
Xiphophorus maculatus
-
Jp 163 A
-

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Xiphophorus maculatus
-
brain
-
Xiphophorus couchianus
-
brain
-
Xiphophorus hellerii
-
gill
-
Xiphophorus maculatus
-
gill
-
Xiphophorus couchianus
-
gill
-
Xiphophorus hellerii
-
liver
-
Xiphophorus maculatus
-
liver
-
Xiphophorus couchianus
-
liver
-
Xiphophorus hellerii
-
testis
-
Xiphophorus maculatus
-
testis
-
Xiphophorus couchianus
-
testis
-
Xiphophorus hellerii
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
DNA containing 6-O-methylguanine + [protein]-L-cysteine 6-O-methylguanine oligonucleotide Xiphophorus maculatus DNA lacking 6-O-methylguanine + [protein]-S-methyl-L-cysteine
-
?
DNA containing 6-O-methylguanine + [protein]-L-cysteine 6-O-methylguanine oligonucleotide Xiphophorus couchianus DNA lacking 6-O-methylguanine + [protein]-S-methyl-L-cysteine
-
?
DNA containing 6-O-methylguanine + [protein]-L-cysteine 6-O-methylguanine oligonucleotide Xiphophorus hellerii DNA lacking 6-O-methylguanine + [protein]-S-methyl-L-cysteine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
23
-
-
Xiphophorus maculatus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 40 about 75% of maximal activity at 15° or at 40°C Xiphophorus maculatus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
65
-
5 min, almost complete inactivation Xiphophorus maculatus